.app-container {
    width: 85%;
    height: 90%;
    position: fixed;
    transform: translate(-50%,-50%);
    left: 50%;
    top: 50%;
}

.left-nav,
.right-display {
    flex: 1;
    height: calc(100% - 60px); /* 距离顶部和底部都是30px */
}

.left-nav {
    float: left;
    width: 18%;
    height: 100%;
    background-color: #484c7f;
    border-radius: 28px;
}

.left-nav-body{
    width: 100%;
    height: auto;
    margin: 0 auto;
}

.right-display {
    float: left;
    width: 80%;
    height: 100%;
    margin-left: 2%;
}
.el-menu{
    border: none!important;
}
.left-nav-body-title{
    width: 100%;
    height: 50px;
    margin-top: 20px;
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    font-family: "幼圆";
    text-align: center;
    cursor: pointer;
}
.el-submenu__title{
    text-align: center!important;
}
.router-link-active{
    text-decoration: none;
}
.el-menu-item{
    padding-left: 63px!important;
}
